Arthur, J. (2004). The Six sigma instructor guide (2nd ed.). Macmillan.
Chicago Edition CitationArthur, Jay. The Six Sigma Instructor Guide. 2nd ed. Delhi: Macmillan, 2004.
Cita MLAArthur, Jay. The Six Sigma Instructor Guide. 2nd ed. Macmillan, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.